40 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 04605 | Ellsworth | 14,695 |
| 04416 | Bucksport | 5,503 |
| 04609 | Bar Harbor | 5,198 |
| 04429 | Holden | 4,993 |
| 04614 | Blue Hill | 2,811 |
| 04640 | Hancock | 2,451 |
| 04634 | Franklin | 2,218 |
| 04627 | Deer Isle | 1,883 |
| 04472 | Orland | 1,857 |
| 04684 | Surry | 1,834 |
| 04679 | Southwest Harbor | 1,544 |
| 04607 | Gouldsboro | 1,264 |
| 04664 | Sullivan | 1,240 |
| 04421 | Castine | 1,222 |
| 04476 | Penobscot | 1,127 |
| 04676 | Sedgwick | 1,127 |
| 04660 | Mount Desert | 1,124 |
| 04681 | Stonington | 906 |
| 04616 | Brooklin | 817 |
| 04617 | Brooksville | 649 |
| 04653 | Bass Harbor | 604 |
| 04612 | Bernard | 557 |
| 04662 | Northeast Harbor | 495 |
| 04693 | Winter Harbor | 441 |
| 04650 | Little Deer Isle | 391 |
| 04685 | Swans Island | 388 |
| 04677 | Sorrento | 322 |
| 04674 | Seal Cove | 279 |
| 04408 | Aurora | 230 |
| 04624 | Corea | 213 |
| 04642 | Harborside | 194 |
| 04669 | Prospect Harbor | 178 |
| 04673 | Sargentville | 156 |
| 04646 | Islesford | 122 |
| 04613 | Birch Harbor | 114 |
| 04675 | Seal Harbor | 100 |
| 04625 | Cranberry Isles | 65 |
| 04431 | East Orland | 45 |
| 04635 | Frenchboro | 17 |
| 04683 | Sunset | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 40 ZCTAs in Hancock County, Maine (US Census).